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首页> 外文期刊>Journal of industrial and engineering chemistry >Electro-optical and electrochemical properties of poly(2-ethynylthiophene)
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Electro-optical and electrochemical properties of poly(2-ethynylthiophene)

机译：聚（2-乙炔基噻吩）的光电性能

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摘要

A polyacetylene having thiophene substituent, poly(2-ethynylthiophene), was prepared by WCl6-Ph4Sn catalyst system in high yield. The chemical structure of polymer was characterized by various instrumental methods to have polyacetylene backbone with 2-thienyl substituents. The ~1H NMR spectrum indicated that the present polymer seems to have trans polyacetylene microstructure majorly. The photoluminescence (PL) spectra of poly(2-ethynylthiophene) showed that the photoluminescence peak is located at 456 nm, corresponding to a photon energy of 2.72 eV. The cyclic voltamograms of poly(2-ethynylthiophene) exhibited irreversible electrochemical behaviors between the doped and undoped peaks. It was found that the kinetics of the redox process of polymer is controlled by the diffusion process in this electrochemical cell system.
机译：通过WCl6-Ph4Sn催化剂体系高产率地制备了具有噻吩取代基的聚乙炔，聚（2-乙炔基噻吩）。聚合物的化学结构通过各种仪器方法表征为具有带有2-噻吩基取代基的聚乙炔主链。 〜1 H NMR谱表明，该聚合物似乎主要具有反式聚乙炔微结构。聚（2-乙炔基噻吩）的光致发光（PL）光谱表明，该光致发光峰位于456 nm，对应的光子能量为2.72 eV。聚（2-乙炔基噻吩）的循环伏安图显示了掺杂和非掺杂峰之间不可逆的电化学行为。发现在该电化学电池系统中，聚合物的氧化还原过程的动力学受扩散过程控制。

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